/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.dtstack.taier.develop.graph;

/**
 * An edge of a Flat directed graph
 *
 * <p>
 * flat means that parent {@link FlatDirectGraphSide#parent()} represent the
 * value of the parent node instead of a reference
 * <p>
 *
 * @author leon
 * @date 2022-08-01 19:56
 **/
public interface FlatDirectGraphSide<V, I> extends GraphNode<V>, IdProvider<I> {

    V parent();
}
